Search a number
-
+
22305230 = 254154403
BaseRepresentation
bin101010100010…
…1100111001110
31112222020000122
41111011213032
521202231410
62114024542
7360406553
oct125054716
945866018
1022305230
1111655282
127578152
13480c77c
142d68a2a
151e58e55
hex15459ce

22305230 has 16 divisors (see below), whose sum is σ = 41129424. Its totient is φ = 8704320.

The previous prime is 22305187. The next prime is 22305251. The reversal of 22305230 is 3250322.

It is a junction number, because it is equal to n+sod(n) for n = 22305199 and 22305208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26792 + ... + 27611.

It is an arithmetic number, because the mean of its divisors is an integer number (2570589).

Almost surely, 222305230 is an apocalyptic number.

22305230 is a deficient number, since it is larger than the sum of its proper divisors (18824194).

22305230 is a wasteful number, since it uses less digits than its factorization.

22305230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54451.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 22305230 is about 4722.8413058243. The cubic root of 22305230 is about 281.4938441635.

Adding to 22305230 its reverse (3250322), we get a palindrome (25555552).

The spelling of 22305230 in words is "twenty-two million, three hundred five thousand, two hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 54403 108806 272015 544030 2230523 4461046 11152615 22305230